Relation between philosophy and its history is an important element of philosophical reflection in both Baden and Marburg school of neo-Kantianism. Associated with the spirit of the school although not a member of it Hans-Georg Gadamer starts, in the name of history of concepts, a discussion with understanding of philosophy as a history of philosophical problems. Analysis leads to a conclusion that the key to understanding the difference between the position of Neo-Kantians (especially Hartmann) and the position of Gadamer is the understanding of philosophy. Neo-Kantians considers philosophy as a science while Gadamer follows Heidegger who negates a scientifical character of philosophy